<!DOCTYPE html>
<html lang="en">
<head>
    <meta name="viewport"
          content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
    <meta charset="UTF-8">
    <title>1 做加法</title>
    <script src="../angular-1.5.8/angular.js"></script>
</head>
<body ng-app ng-cloak>
{{"app"}}
<input type="range" ng-model="num1">
+
<input type="number" ng-model="num2">
<input type="button" ng-click="num3=+num1+num2" value="=">
<input type="number" ng-model="num3">
<br>
    <pre>{{{a:100} }}</pre>
</body>
</html>